Engine Computer Programmed/Updated 2003/2004 Mazda 6 L393-18-881D DBH4 2.3L AT

Engine Computer Programmed/Updated 2003/2004 Mazda 6 L392-18-881D CRT4 2.3L MT

Engine Computer Programmed/Updated 2003/2004 Mazda 6 L392-18-881B CRT2 2.3L MT

Engine Computer Programmed/Updated 2003/2004 Mazda 6 L334-18-881H GLN3 2.3L MT

Engine Computer Programmed/Updated 2003/2004 Mazda 6 L334-18-881P GLN8 2.3L MT

Engine Computer Programmed/Updated 2003/2004 Mazda 6 L37Y-18-881P GLN7 2.3L MT

Engine Computer Programmed with Keys 2003/2004 Mazda 6 L37Y-18-881R GLN8 2.3L MT